12272440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3163}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 27906480

約数和(自身を除く): 15634040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3163, 3880, 6326, 12652, 15815, 25304, 31630, 63260, 126520, 306811, 613622, 1227244, 1534055, 2454488, 3068110, 6136220, 12272440]

約数ペア:

[(1, 12272440), (2, 6136220), (4, 3068110), (5, 2454488), (8, 1534055), (10, 1227244), (20, 613622), (40, 306811), (97, 126520), (194, 63260), (388, 31630), (485, 25304), (776, 15815), (970, 12652), (1940, 6326), (3163, 3880)]